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Showing 1 to 12 of 93 entries
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Determination of long-lived Nb isotopes in nuclear power plant wastes.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Osváth S, Vajda N, Molnár Z.
PMID: 17716901
Appl Radiat Isot. 2008 Jan;66(1):24-7. doi: 10.1016/j.apradiso.2007.07.007. Epub 2007 Jul 19.

(94)Nb and (93m)Nb are long-lived radionuclides, produced by thermal and fast neutrons from (93)Nb that is a major component of the Zr alloys used in nuclear reactors. A radiochemical method for the determination of these nuclides has been developed....

Physiological and behavioral consequences of delayed septal grafts in the subcortically denervated hippocampus.

Restorative neurology and neuroscience

Buzsáki G, Hsu M, Horváth Z, Gage FH.
PMID: 21551671
Restor Neurol Neurosci. 1992 Jan 01;4(6):369-80. doi: 10.3233/RNN-1992-4602.

The present experiments examined whether cholinergic grafts reverse the physiological and behavioral deficits of the damaged hippocampus. Fimbria-fornix lesions were performed in young rats and 3 months later half of the lesioned rats received cholinergic-rich basal forebrain transplants. Eight...

Zooplankton communities and .

Inland waters : journal of the International Society of Limnology

Horváth Z, Vad CF, Preiler C, Birtel J, Matthews B, Ptáčníková R, Ptáčník R.
PMID: 28824797
Inland Waters. 2017 Jan 02;7(1):3-13. doi: 10.1080/20442041.2017.1294317. Epub 2017 May 02.

Lakes in the Alps represent a considerable fraction of nutrient-poor lakes in Central Europe, with unique biodiversity and ecosystem properties. Although some individual lakes are well studied, less knowledge is available on large-scale patterns essential to general understanding of...

Recent Advances in the Neoadjuvant Treatment of Breast Cancer.

Journal of breast cancer

Rubovszky G, Horváth Z.
PMID: 28690648
J Breast Cancer. 2017 Jun;20(2):119-131. doi: 10.4048/jbc.2017.20.2.119. Epub 2017 Jun 26.

In the last few decades, neoadjuvant therapy for breast cancer has gained considerable therapeutic importance. Despite extensive clinical investigations, it has not yet been clarified whether neoadjuvant therapy would result in improved survival in comparison with the standard adjuvant...

Digital variance angiography allows about 70% decrease of DSA-related radiation exposure in lower limb X-ray angiography.

Scientific reports

Gyánó M, Berczeli M, Csobay-Novák C, Szöllősi D, Óriás VI, Góg I, Kiss JP, Veres DS, Szigeti K, Osváth S, Pataki Á, Juhász V, Oláh Z, Sótonyi P, Nemes B.
PMID: 34750427
Sci Rep. 2021 Nov 08;11(1):21790. doi: 10.1038/s41598-021-01208-3.

Our aim was to investigate whether the previously observed higher contrast-to-noise ratio (CNR) and better image quality of Digital Variance Angiography (DVA) - compared to Digital Subtraction Angiography (DSA) - can be used to reduce radiation exposure in lower...

Protective Role of Decorin in Primary Hepatocellular Carcinoma.

Frontiers in oncology

Reszegi A, Horváth Z, Fehér H, Wichmann B, Tátrai P, Kovalszky I, Baghy K.
PMID: 32477937
Front Oncol. 2020 May 12;10:645. doi: 10.3389/fonc.2020.00645. eCollection 2020.

Hepatocellular carcinoma (HCC) represents one of the most frequent type of primary liver cancers. Decorin, a small leucine-rich proteoglycan of the extracellular matrix, represents a powerful tumor cell growth and migration inhibitor by hindering receptor tyrosine kinases and inducing...

Longevity and life history coevolve with oxidative stress in birds.

Functional ecology

Vágási CI, Vincze O, Pătraș L, Osváth G, Pénzes J, Haussmann MF, Barta Z, Pap PL.
PMID: 34290466
Funct Ecol. 2019 Jan;33(1):152-161. doi: 10.1111/1365-2435.13228. Epub 2018 Oct 16.

1. The mechanisms that underpin the evolution of ageing and life histories remain elusive. Oxidative stress, which results in accumulated cellular damages, is one of the mechanisms suggested to play a role. 2. In this paper, we set out...

Polysubstance Use Is Positively Associated with Gaming Disorder Symptom Severity: A Latent Class Analytical Study.

European addiction research

Horváth Z, Király O, Demetrovics Z, Németh Á, Várnai D, Urbán R.
PMID: 34284387
Eur Addict Res. 2021 Jul 20;1-11. doi: 10.1159/000517042. Epub 2021 Jul 20.

INTRODUCTION: The link between gaming disorder (GD) and substance use amongst adolescents is not clear. Some studies reported positive associations, whereas others suggested that alcohol and illicit drug use are not related to GD severity.OBJECTIVES: The present study aimed...

Expedient and Diastereodivergent Assembly of Terpenoid Decalin Subunits having Quaternary Stereocenters through Organocatalytic Robinson Annulation of Nazarov Reagent.

Chemistry (Weinheim an der Bergstrasse, Germany)

Berkes B, Ozsváth K, Molnár L, Gáti T, Holczbauer T, Kardos G, Soós T.
PMID: 27798820
Chemistry. 2016 Dec 12;22(50):18101-18106. doi: 10.1002/chem.201604541. Epub 2016 Oct 31.

We report an expedient approach to highly functionalized cis- and trans-decalines that could function as key structural subunits toward the synthesis of various classes of terpenoids. Key to the strategy is an organocatalyzed Robinson annulation reaction of the Nazarov...

Shame mediates the relationship between stigma and quality of life among patients with coeliac disease. A 8 tételes Stigmatizáció Krónikus Betegségekben Kérdőív magyar adaptálása.

Orvosi hetilap

Szőcs H, Horváth Z, Vizin G.
PMID: 34864639
Orv Hetil. 2021 Dec 05;162(49):1968-1976. doi: 10.1556/650.2021.32258.

INTRODUCTION: Coeliac disease can detrimentally affect well-being. Stigmatization related to a chronic disease can enhance physical and psychological symptoms and negatively influence health behaviour, hence, stigma in chronic diseases needs to be addressed.OBJECTIVES: Our main goal was to psychometrically...

Pleistocene allopatric differentiation followed by recent range expansion explains the distribution and molecular diversity of two congeneric crustacean species in the Palaearctic.

Scientific reports

Lukić D, Pinceel T, Marrone F, Mioduchowska M, Vad CF, Brendonck L, Ptacnik R, Horváth Z.
PMID: 34819546
Sci Rep. 2021 Nov 24;11(1):22866. doi: 10.1038/s41598-021-02164-8.

Pleistocene glaciations had a tremendous impact on the biota across the Palaearctic, resulting in strong phylogeographic signals of range contraction and rapid postglacial recolonization of the deglaciated areas. Here, we explore the diversity patterns and history of two sibling...

Ligand Dehydrogenation in Ruthenium-Amine Complexes: Reactivity of 1,2-Ethanediamine and 1,1,1-Tris(aminomethyl)ethane.

Inorganic chemistry

Bernhard P, Bull DJ, Bürgi HB, Osvath P, Raselli A, Sargeson AM.
PMID: 11669915
Inorg Chem. 1997 Jun 18;36(13):2804-2815. doi: 10.1021/ic961021q.

The mechanisms of oxidative ligand dehydrogenation in high-valent ruthenium hexaamine complexes of bidentate 1,2-ethanediamine (en) and tridentate 1,1,1-tris(aminomethyl)ethane (tame) are elucidated in detail. In basic aqueous solution, [Ru(III)(tame)(2)](3+) undergoes rapid initial deprotonation (pK(III) = 10.3). This is followed by...

Showing 1 to 12 of 93 entries